How useful is your data? Data comes in all shapes and sizes, you could classify it in a hundred and one different ways: categorical, ordinal, Boolean, composite … Here a couple of the less technically challenging – read eye-rollingly dull – categories: Opinion or Observation Opinions are what people think, so opinions are important. Some argue […]
What is Your Management Blindside?
An education is a wonderful thing Every year in the UK 16-year-olds study for their General Certificates of Education (G.C.S.E’s.). And every year the the Government publishes the results. This is how they have changed: I did my GCSE’s (or something similar) in 1984. I am an old (and as you can extrapolate from the chart) […]
What is Sample Bias?
There are some jobs you really wouldn’t want… Perhaps the most dangerous in history was to be a crew member of a World War II bomber (I don’t suppose it matters which side). You shouldn’t believe everything you read on the internet, but according to some of the more reliable sources, during World War II: Over […]
Christmas Measures
Father Christmas had a problem… His planning elves had confirmed it. It was mid October and it was looking increasingly unlikely that he would get all the presents wrapped by Christmas. His management information team endorsed their view. His key measure – Presents Wrapped per Elf per Hour (PWEH) was well awry. There were reasons […]
Do You Know a Good Doctor?
Does publishing performance data make people perform better? The National Health Service in the UK has developed a cunning ruse to improve patient care. They have started to publish data about consultant’s mortality rates. Before you go and see a specialist you can go online and see if he is competent or not. If you don’t like what […]
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